Chapter 2 Review Question Preview (ID: 7380)
Chapter 2 Review.
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State whether the equation is true, false, or an open sentence; 18 = t + 4
a) true
b) false
c) open sentence
d) question mark
Split one of the numbers and use the distributive property to find the answer; 9 ( 105 )
a) 9 ( 100 + 5) = 945
b) 9 ( 10 + 5) = 135
c) 9 ( 105) = 945
d) 9( 945) = 8,505
Simplify; 9 ( m + 4 )
a) 36
b) 9m + 36
c) 9 + m + 4
d) m + 36
Simplify: - 5 ( 2b + 5)
a) 10b + 25
b) -7b + 10
c) -10b - 25
d) 7b + 25
Solve: y - 5 = -5
a) y = 0
b) y = -10
c) y = 5
d) y = 10
Solve: 5q = 15
a) q = 20
b) q = 105
c) q = 3
d) q = 75
A road has a speed limit of 30 mi/h. Write an inequalilty that describes the legal speeds r for motor vehicles
a) r > 30
b) r < or equal to 30
c) r > or equal to 30
d) r < 30
Solve: 4 + x > - 8
a) x > -12
b) x > 4
c) x > or equal to -12
d) x < -4
solve: - 3x > 12
a) x > 3
b) x < 3
c) x < -4
d) x > 4
solve: seven more than a number b is greater than twelve
a) b > 19
b) b < -5
c) b < 5
d) b > 5
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